Prolite
钨钴钛系硬质合金
🗣️ 情景例句
Now let's head off for the city and the university club.
现在让我们进城去， 到大学俱乐部。
I was thirty on my last birthday.
我在我最后一个生日时30了。
Would you like to see the factory, I'd like to show you around.
你想参观一下工厂吗？我可以领你四处看看。